Spin Andreev-like Reflection in Metal-Mott Insulator Heterostructures
Abstract
Here we used the time-dependent density-matrix renormalization group (tDMRG) to study the time evolution of electron wave packets in one-dimensional (1D) metal-superconductor heterostructures. The results show Andreev reflection at the interface, as expected. By combining these results with the well-known single- spin-species electron-hole transformation in the Hubbard model, we predict an analogous spin Andreev reflection in metal-Mott insulator heterostructures. This effect is numerically confirmed using 1D tDMRG, but it is expected to also be present in higher dimensions, as well as in more general Hamiltonians. We present an intuitive picture of the spin reflection, analogous to that of Andreev reflection at metal- superconductor interfaces. This allows us to discuss a novel antiferromagnetic proximity effect. Possible experimental realizations are discussed.
- Authors:
-
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS); Perimeter Inst. for Theoretical Physics, Waterloo, ON (Canada)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Computer Science & Mathematics Division
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Division
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1265432
- Alternate Identifier(s):
- OSTI ID: 1180887
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 114; Journal Issue: 6; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Al-Hassanieh, K. A., Rincón, Julián, Alvarez, G., and Dagotto, E. Spin Andreev-like Reflection in Metal-Mott Insulator Heterostructures. United States: N. p., 2015.
Web. doi:10.1103/PhysRevLett.114.066401.
Al-Hassanieh, K. A., Rincón, Julián, Alvarez, G., & Dagotto, E. Spin Andreev-like Reflection in Metal-Mott Insulator Heterostructures. United States. https://doi.org/10.1103/PhysRevLett.114.066401
Al-Hassanieh, K. A., Rincón, Julián, Alvarez, G., and Dagotto, E. Mon .
"Spin Andreev-like Reflection in Metal-Mott Insulator Heterostructures". United States. https://doi.org/10.1103/PhysRevLett.114.066401. https://www.osti.gov/servlets/purl/1265432.
@article{osti_1265432,
title = {Spin Andreev-like Reflection in Metal-Mott Insulator Heterostructures},
author = {Al-Hassanieh, K. A. and Rincón, Julián and Alvarez, G. and Dagotto, E.},
abstractNote = {Here we used the time-dependent density-matrix renormalization group (tDMRG) to study the time evolution of electron wave packets in one-dimensional (1D) metal-superconductor heterostructures. The results show Andreev reflection at the interface, as expected. By combining these results with the well-known single- spin-species electron-hole transformation in the Hubbard model, we predict an analogous spin Andreev reflection in metal-Mott insulator heterostructures. This effect is numerically confirmed using 1D tDMRG, but it is expected to also be present in higher dimensions, as well as in more general Hamiltonians. We present an intuitive picture of the spin reflection, analogous to that of Andreev reflection at metal- superconductor interfaces. This allows us to discuss a novel antiferromagnetic proximity effect. Possible experimental realizations are discussed.},
doi = {10.1103/PhysRevLett.114.066401},
journal = {Physical Review Letters},
number = 6,
volume = 114,
place = {United States},
year = {Mon Feb 09 00:00:00 EST 2015},
month = {Mon Feb 09 00:00:00 EST 2015}
}
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